Title 
Summary 
Primary Author 
Date 

One and threestage decomposition of a test signal, reconstruction, reconstruction error. 
Kevin Amaratunga 
20020808 

Approximation of functions by the scaling function and its translates. 
Kevin Amaratunga 
20020808 

Basic filter examples, upsampling and downsampling. 
Kevin Amaratunga 
20020808 

Compute the samples of the biorthogonal scaling functions and wavelets. 
Kevin Amaratunga 
20020808 

Calculate and plot the DFT (magnitude) for the triangular window defined by
W[n]= 0, n<0
n+1, 0<=n<=99
200(n+1), 100<=n<=198
0, n>198
Compare peak sidelobe level and sidelobe rolloff rate for this window with those of the rectangular window 
Debashis Paul 
20050331 

This is the total algorithm of convolution 
Mohendra Roy 
20070314 

Compute the samples of Daubechies scaling function and wavelet using the inverse DWT. 
Kevin Amaratunga 
20020808 

Compute the eigenvalues of the transition matrix. 
Kevin Amaratunga 
20020808 

Freeman Chain Code function Computes the Freeman chain code of a boundary.

Chandan Nath 
20090507 

The program performs image registration using the function fminsearch for minimizing the scale parameters. The success of the alignment estimated using the correlation criterion. 
Marios Vlachos 
20051108 

kmean algorithm is very handy in image segmentation. Here first the histogram is created and then the centriod is initialized,
The number of clusters should be supplied by the user and the input image should be a greylevel image. 
Chandan Nath 
20090507 

Find the local threshold of an image while dividing the image in 6 parts 
muhammad irfan 
20060623 

Mallat pyramid decomposition. 
Kevin Amaratunga 
20020808 

Examine how polynomial data behaves in the filter bank when the lowpass filter has p zeros at pi. 
Kevin Amaratunga 
20020808 

Polyphase filter implementation with two channels. 
Kevin Amaratunga 
20020808 

Illustrates product filters of varying degree graphically. 
Kevin Amaratunga 
20020808 

A collection of mfiles that allow plotting of Smith Charts, Admittance Charts etc. Also Time Domain Reflectometry (TDR) for balanced and unbalanced transmission lines, using standard to mixed mode Sparam conversion. 
NEILL TUCKER 
20081116 

calculate ductility, elastic, psd spectra from an accelerogram (ASCII format). Generate syntectic records, principal directions, evolutive spectra. 
Esneyder Montoya 
20050317 

The program performs signal smoothing and dc component removal using the 1D fft transform. Cutting a different range of frequencies we can perform various 1D filtering applications. 
Marios Vlachos 
20051108 

Demonstrate symmetric extension at the boundaries for the 9/7 filters. 
Kevin Amaratunga 
20020808 